intermittent arc断续电弧intermittentadj.间歇的；断断续续的intermittent aeration system间歇曝气intermittent type integrator间歇式积分器intermittent automatic block点式自动闭塞装置intermittent ischemic arrest间歇性缺血性(心跳)停止, 间歇性缺血性心跳骤停intermittent acute porphyria急性间歇性卟啉症intermittent lumbar traction间歇性腰部牵引intermittent rain/showers阵雨intermittent total hematuria间歇性全血尿intermittently rainy climate间歇雨季气候intermittent periodic rating间歇周期定额